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suanmosuanyangtechnology/memorybear

Analysis updated 2026-07-03

3,744PythonAudience · developerComplexity · 3/5LicenseSetup · moderate

TLDR

A Python library that gives AI agents a brain-like persistent memory so they can remember facts across sessions and share knowledge when multiple agents work together.

Mindmap

mindmap
  root((MemoryBear))
    What it does
      Persistent AI memory
      Cross-session recall
      Multi-agent sharing
    How it works
      Fact extraction
      Graph storage
      Intelligent forgetting
    Use cases
      Chatbots
      AI agents
      Knowledge bases
    Tech
      Python 3.12
      Graph database
      Apache 2.0
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What do people build with it?

USE CASE 1

Add persistent memory to a chatbot so it remembers user preferences and facts from earlier sessions without repeating context.

USE CASE 2

Build a multi-agent system where several AI assistants share a common knowledge store instead of each working in isolation.

USE CASE 3

Create a knowledge base that extracts structured facts from conversations and automatically removes outdated information over time.

What is it built with?

Python

How does it compare?

suanmosuanyangtechnology/memorybearnixawk/pentest-wikiflasgger/flasgger
Stars3,7443,7453,742
LanguagePythonPythonPython
Setup difficultymoderateeasyeasy
Complexity3/51/52/5
Audiencedeveloperresearcherdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Requires Python 3.12 or later, the graph-based storage layer may need additional dependency setup.

Use freely for any purpose, including commercial, as long as you include the Apache 2.0 license notice.

In plain English

MemoryBear is a Python-based system designed to give AI models a more persistent and adaptive form of memory. The core problem it addresses is that standard large language models forget earlier parts of a conversation once their context window fills up, cannot carry information from one session to the next, and share no memory across multiple agents working together on the same task. The system draws its design from biological cognition. It models memory encoding after the hippocampus, knowledge consolidation after the neocortex, and intentional forgetting after the synaptic pruning process the brain uses to discard redundant connections. The goal is not just to store information but to refine and connect it over time, turning raw conversation history into structured, queryable knowledge. The memory extraction engine parses unstructured text to pull out key facts as structured subject-action-object triples. Temporal anchoring attaches time markers to time-sensitive information so the system can track evolving facts. A graph-based storage layer connects related pieces of knowledge rather than treating each fact as isolated. An intelligent forgetting mechanism removes outdated or low-relevance data so the memory store does not grow stale. MemoryBear is built to work across multi-agent setups, where several AI agents collaborate on a task. Without shared memory, each agent would see only its own slice of context and could give contradictory or redundant responses. MemoryBear provides a shared memory layer that all agents can read from and write to, so users do not have to repeat the same information to each agent separately. The system is licensed under Apache 2.0 and requires Python 3.12 or later. A companion research paper describes the architecture in more detail. The README is written in English with a Chinese version linked separately.

Copy-paste prompts

Prompt 1
I am building a Python chatbot using MemoryBear. Show me how to initialize the memory system and save subject-action-object triples extracted from a user message.
Prompt 2
How do I connect MemoryBear's shared memory layer to two separate AI agents so they can read and write from the same knowledge store?
Prompt 3
Walk me through how MemoryBear's intelligent forgetting mechanism works and how I can tune it to keep more or fewer memories.
Prompt 4
Help me integrate MemoryBear with a Python 3.12 project and query stored memories by time range or topic.

Frequently asked questions

What is memorybear?

A Python library that gives AI agents a brain-like persistent memory so they can remember facts across sessions and share knowledge when multiple agents work together.

What language is memorybear written in?

Mainly Python. The stack also includes Python.

What license does memorybear use?

Use freely for any purpose, including commercial, as long as you include the Apache 2.0 license notice.

How hard is memorybear to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is memorybear for?

Mainly developer.

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